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100+ Free SSLC Biology Practice Questions

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2026 Statistics

Key Facts: SSLC Biology Exam

3 hours + 10 min

Official paper duration including reading time

Official 2025 SSLC Biology booklet (MEC)

100 marks

Official paper total

Official 2025 SSLC Biology booklet (MEC)

9–19 Nov 2026

2026 national secondary examination window

MEC 2026 National Secondary Examinations Timetable announcement

100

Free practice questions in this bank

OpenExamPrep question bank

Samoa SSLC Biology is a 3-hour-plus-10-minute national written paper marked out of 100. The 2026 national secondary window is 9–19 November. This free bank supplies 100 multiple-choice revision questions weighted to the official strands.

Sample SSLC Biology Practice Questions

Try these sample questions to test your SSLC Biology exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In the Linnaean hierarchy used in SSLC Biology, which rank is immediately more specific than genus?
A.Family
B.Order
C.Species
D.Phylum
Explanation: The conventional ranks from general to specific are kingdom, phylum, class, order, family, genus, and species. Species is the rank nested inside a genus, so it is immediately more specific than genus.
2All of the populations of different species living and interacting in a Samoan rainforest patch together form which level of organisation?
A.A population
B.A community
C.An organ system
D.A biosphere
Explanation: A community is all the interacting populations of different species in one area. The rainforest patch’s plants, animals, fungi, and microbes together are the community.
3Which feature is characteristic of Phylum Arthropoda and is not shared with Annelida?
A.A chitinous exoskeleton that is moulted
B.A segmented body plan
C.A closed circulatory system with blood confined to vessels
D.A hydrostatic skeleton only, with no hard covering
Explanation: Arthropods have a chitinous exoskeleton that must be shed (ecdysis) for growth. Annelids are also segmented but lack a chitinous exoskeleton and typically use a hydrostatic skeleton.
4Under the binomial system, a correctly written scientific name consists of which two ranks?
A.Family and order, both capitalised
B.Kingdom and phylum, written in English
C.Class and species, both italicised and capitalised
D.Genus and species, with only the genus capitalised
Explanation: A binomial is the genus name plus the specific epithet. The genus is capitalised, the species epithet is not, and both are italicised (or underlined), for example Cocos nucifera.
5Which kingdom includes organisms that are typically heterotrophic, have cell walls of chitin, and absorb digested food?
A.Plantae
B.Fungi
C.Animalia
D.Protoctista
Explanation: Fungi are heterotrophs that secrete enzymes and absorb the products. Their walls contain chitin, unlike cellulose walls of plants or the wall-less cells of animals.
6Mosses placed in Phylum Bryophyta differ from ferns because mosses
A.produce seeds inside cones
B.have xylem vessels that carry water from roots to leaves
C.lack true vascular tissue and depend on diffusion and surface moisture
D.produce flowers and enclosed fruits
Explanation: Bryophytes lack true xylem and phloem. They are small, live in moist habitats, and move water and solutes mainly by diffusion and capillary action. Ferns are vascular and can grow taller.
7A reef animal has a soft body, a muscular foot, and a mantle that may secrete a shell. To which phylum does it belong?
A.Mollusca
B.Cnidaria
C.Nematoda
D.Echinodermata
Explanation: Molluscs are defined by a muscular foot, a visceral mass, and a mantle. Clams, snails, and octopuses on Samoan reefs all show this body plan, even when the shell is reduced.
8What is the purpose of a dichotomous key in field identification?
A.To calculate the biomass of each trophic level
B.To list every species in alphabetical order
C.To measure the growth rate of a population
D.To identify an organism by choosing between paired contrasting statements
Explanation: A dichotomous key offers two mutually exclusive choices at each step. Following the correct branch leads to the name of the organism, which is why keys are used in classification practicals.
9A vertebrate has moist skin, lays unshelled eggs in water, and the young typically have gills before developing lungs. Which class does it belong to?
A.Reptilia
B.Amphibia
C.Aves
D.Chondrichthyes
Explanation: Amphibians such as frogs have moist permeable skin, aquatic larvae with gills, and a life cycle that usually returns to water for reproduction.
10Why are viruses usually excluded from the five-kingdom classification used in many SSLC schemes?
A.They all photosynthesise and therefore belong only in Plantae
B.They have cellulose walls identical to plant cells
C.They are acellular particles that cannot metabolise or reproduce without a host cell
D.They are multicellular animals with organ systems
Explanation: Viruses are nucleic acid enclosed in a protein coat. They have no cytoplasm, ribosomes, or independent metabolism and can replicate only inside a host cell, so they are not placed in the five kingdoms of cellular life.

About the SSLC Biology Exam

SSLC Biology is the Year 12 national biology paper for the Samoa Secondary Leaving Certificate. The official 2025 booklet is a 3-hour-and-10-minute English written paper scored out of 100 marks across variety of life, cell biology, animal biology, plant biology and environment. This bank is an English-language multiple-choice study adaptation of those official strands, not a simulation of practical or extended written work.

Assessment

Single English-language question-and-answer booklet. Time allowed: 3 hours and 10 minutes, including 10 minutes reading time. Official 2025 strands: Variety of Life 15, Cell Biology 35, Animal Biology 20, Plant Biology 15, Environment 15. The separate Genetics strand used up to 2023 was merged into Cell Biology from 2024.

Time Limit

3 hours plus 10 minutes reading time

Passing Score

Not published as a fixed percentage on official SSLC papers. Subject papers are marked out of 100. NUS foundation science courses have used ≥50% in SSLC Biology, Chemistry or Physics as a tertiary-entry threshold.

Exam Fee

MEC publishes national SSLC examination fees (2025 and 2026 official notices). The SAT amount is not stated on the public examination-paper pages. (Ministry of Education and Culture (MEC), Government of Samoa)

SSLC Biology Exam Content Outline

15 questions

Variety of Life

Classification, biodiversity and characteristics of living things.

35 questions

Cell Biology

Cell structure and organelles, membranes and transport, enzymes, respiration, DNA, inheritance and variation.

20 questions

Animal Biology

Nutrition, transport, coordination, reproduction and homeostasis.

15 questions

Plant Biology

Photosynthesis, transport, reproduction and plant adaptations.

15 questions

Environment

Ecosystems, energy flow, human impact and Pacific environmental biology.

How to Pass the SSLC Biology Exam

What You Need to Know

  • Passing score: Not published as a fixed percentage on official SSLC papers. Subject papers are marked out of 100. NUS foundation science courses have used ≥50% in SSLC Biology, Chemistry or Physics as a tertiary-entry threshold.
  • Assessment: Single English-language question-and-answer booklet. Time allowed: 3 hours and 10 minutes, including 10 minutes reading time. Official 2025 strands: Variety of Life 15, Cell Biology 35, Animal Biology 20, Plant Biology 15, Environment 15. The separate Genetics strand used up to 2023 was merged into Cell Biology from 2024.
  • Time limit: 3 hours plus 10 minutes reading time
  • Exam fee: MEC publishes national SSLC examination fees (2025 and 2026 official notices). The SAT amount is not stated on the public examination-paper pages.

Keys to Passing

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

SSLC Biology Study Tips from Top Performers

1Learn cell organelles by function, not only by name.
2Practise Punnett squares and pedigree interpretation with pencil and paper.
3Link plant and animal physiology to Pacific examples such as taro, coconut and reef fish only when the biology is accurate.
4For ecology, draw energy-flow and nutrient-cycle diagrams before answering.
5These MCQs do not replace practical microscopy or written extended-response practice.

Frequently Asked Questions

What is SSLC Biology?

It is the Year 12 national biology paper for the Samoa Secondary Leaving Certificate, administered by the Ministry of Education and Culture.

How long is the official paper?

Official SSLC Biology booklets allow 3 hours and 10 minutes, including 10 minutes of reading time.

Is this practice bank the same format as the real exam?

No. The official paper is a mixed written booklet. These 100 questions are an English-language multiple-choice study adaptation covering the same official strands.

In what language is the official paper set?

English. Official SSLC Biology booklets are English-language papers.

When are the 2026 SSLC examinations?

MEC announced the 2026 national secondary examinations for 9–19 November 2026.